Shell Learning Notes Variable
Shell Variable Define Variable You are not allowed to add $ when defining a variable, while in php, you need it. For example: your_name="Aimer Neige" Like other programming languages, you need to follow these rules: You can only use letters, numbers, and underscores, and the first character can not be numbers. You are not allowed to add space, use underscores _ replace. You are not allowed to use special characters. You can not use any keywords used by bash....